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/*
 * @test
 * @bug 8343622
 * @summary KerberosKey created with null key bytes
 * @run main/othervm NullStringToKey
 */

import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.kerberos.KerberosPrincipal;
import java.security.Security;
import java.util.List;

public class NullStringToKey {
    public static void main(String[] args) throws Exception {

        Security.removeProvider("SUN");
        Security.removeProvider("SunJCE");

        var name = new KerberosPrincipal("me@ME.COM");
        var pass = "password".toCharArray();
        for (var alg : List.of(
                "aes128-cts-hmac-sha1-96", "aes256-cts-hmac-sha1-96",
                "aes128-cts-hmac-sha256-128", "aes256-cts-hmac-sha384-192")) {
            System.out.println(alg);
            // Do not use Utils.runAndCheckException as it might call
            // MessageDigest.getInstance("MD5") at class initialization
            // and we have already removed the SUN provider.
            try {
                new KerberosKey(name, pass, alg);
                throw new RuntimeException("Didn't get expected exception");
            } catch (IllegalArgumentException e) {
                // expected
                System.out.println(e);
            }
        }
    }
}
